--- title: "Power Calculator (Physics) | Physics Formula Calculator | XTRAW Tools" description: "Calculate mechanical power from work and time, or force and velocity. Use this free browser-based physics calculator from XTRAW Tools for mechanics, motion, and energy estimates." url: "https://xtraw.com/tools/calculators/power-calculator-physics" date: "2026-05-22T01:11:41+00:00" language: "en-GB" --- [Z Score Calculator](https://xtraw.com/tools/calculators/z-score-calculator)[A/B Test Calculator](https://xtraw.com/tools/calculators/ab-test-calculator) [![Power Calculator (Physics) from XTRAW Tools](https://xtraw.com/images/virtuemart/product/xtraw-power-calculator-physics-360x360.jpg)](https://xtraw.com/images/virtuemart/product/xtraw-power-calculator-physics-360x360.jpg "Power Calculator (Physics) from XTRAW Tools") new [Back to: Calculators](https://xtraw.com/tools/calculators "Calculators") # Power Calculator (Physics) Calculate mechanical power from work and time, or force and velocity. Use this free browser-based power calculator (physics) from XTRAW Tools. **Power Calculator (Physics)** helps you calculate mechanical power from work and time, or force and velocity. Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step. ## How to Use the Power Calculator (Physics) 1. Enter the required calculator inputs shown in the form. 2. Review the force, energy, motion, mass, velocity, concentration, spring, or chemistry assumptions. 3. Run the calculator, then adjust one input at a time to compare scenarios or check your estimate. ## What This Calculator Helps With Calculate mechanical power from work and time, or force and velocity. It is designed for students, teachers, engineers, physics learners, science users, STEM tutors, and anyone working with mechanics formulas who want a fast, browser-based estimate before relying on a spreadsheet, textbook, lab software, physics software, chemistry reference, professional source, or specialist. - Calculate from: work - Work (W): 500 J - Time (t): 10 s - Force (F): 100 N - Velocity (v): 5 m/s ## Common Uses People use this calculator when they need a quick way to solve physics formulas, compare mechanics assumptions, or check science and engineering estimates. - **Math Solving:** Solve physics, chemistry, mechanics, concentration, moles, grams, energy, power, or motion equations from entered values. - **Measurement:** Measure force, energy, power, momentum, concentration, torque, angular velocity, friction, or molar conversion values. - **Project Planning:** Plan STEM lessons, lab estimates, engineering calculations, study workflows, or science problem-solving tasks. ## Formula or Method P = W / t or P = F × v ## Example **Example inputs:** Calculate from: work; Work (W): 500 J; Time (t): 10 s; Force (F): 100 N; Velocity (v): 5 m/s **Example result:** Using the default work/time mode, power is 50.00 W. Using force/velocity inputs, power is 500.00 W. ## Related Tools - [Work Calculator](https://xtraw.com/tools/work-calculator) - [Kinetic Energy Calculator](https://xtraw.com/tools/kinetic-energy-calculator) - [Potential Energy Calculator](https://xtraw.com/tools/potential-energy-calculator) - [Momentum Calculator](https://xtraw.com/tools/momentum-calculator) - [Impulse Calculator](https://xtraw.com/tools/impulse-calculator) - [Force Calculator](https://xtraw.com/tools/force-calculator) ## Power Calculator (Physics) FAQ ### Is the Power Calculator (Physics) free? Yes. This calculator is free to use on XTRAW Tools. ### Do I need to create an account? No. XTRAW tools are designed for browser-based use without requiring an account. ### Are the results exact? Results may be estimates depending on the inputs, formula, rounding, selected method, science assumptions, chemistry reference values, or purpose of the calculator. Always verify important results before relying on them. **Disclaimer:** This calculator is provided for general informational, educational, and convenience purposes only. It is not engineering, safety, laboratory, medical, legal, financial, academic, or professional advice. Always verify important results with a qualified professional, instructor, engineer, authoritative source, or appropriate specialist before making decisions. **Related Products** ![Tooltip]() [![Work Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-work-calculator-360x360_230x230.jpg) Work Calculator](https://xtraw.com/tools/calculators/work-calculator "Work Calculator") Calculate mechanical work done by a force over a distance. Use this free browser-based work calculator from XTRAW Tools. 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